Home / 369,769.43-510,271.46-208,639.47

Finding the Fourth Proportional to 369,769.43, 510,271.46 and 208,639.47

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Solution

The fourth proportional to 369,769.43, 510,271.46 and 208,639.47 is: 287,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,769.43 : 510,271.46 = 208,639.47 : x
  2. Step 2: Convert to fraction form
    369,769.43/510,271.46 = 208,639.47/x
  3. Step 3: Cross multiply
    369,769.43x = 510,271.46 × 208,639.47
  4. Step 4: Simplify right side
    369,769.43x = 106,462,766,970.53
  5. Step 5: Solve for x
    x = 106,462,766,970.53/369,769.43
  6. Step 6: Final answer
    x = 287,916.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.